.nav{
    height: 100px;
}
.nav ul{
    display: flex;
    width: 870px;
    line-height: 100px;
    align-items: center;
    justify-content: space-between;
}
.nav ul .img_01{
    display: block;
    width: 58px;
    height: 58px;
    background-image: url(../images/logo.png);
}
.nav ul .img_02{
    display: block;
    width: 160px;
    height: 58px;
    background-image: url(../images/new.gif);
}
.nav ul li a{
    font-size: 16px;
    font-weight: 600;
}
.big_img{
    position: relative;
    height: 460px;
    background-image: url(../images/banner.png);
}
.subnav {
    position: absolute;
    left: 0;
    top: 0;
    width: 250px;
    height: 460px;
    background-color: rgba(0,0,0,0.42);
  }
  
  .subnav li {
    display: flex;
    justify-content: space-between;
    padding-left: 30px;
    padding-right: 12px;
    height: 46px;
    /* background-color: pink; */
    line-height: 50px;
    color: #fff;
  
    cursor: pointer;
  }
  
  /* a所有都是小字，分类是大字 */
  .subnav li a {
    margin-right: 5px;
    font-size: 14px;
    color: #fff;
  }
  
  .subnav li .classify {
    margin-right: 14px;
  }
  
  .subnav li .iconfont {
    font-size: 14px;
  }
  
  .subnav li:hover {
    background-color: #00BE9A;
  }

  .bigDown{
    display: flex;
    margin-top: 20px;
    margin-bottom: 70px;
  }
  .bigDown div{
    /* display: inline-block; */
    width: 233px;
    height: 170px;
    margin-right: 10px;
    background-color: #5f5750;
  }
  .bigDown img{
    width: 330px;
    height: 170px;
    margin-right: 10px;
    
  }
  .bigDown:last-child img{
    margin-right: 0;
  }


  /* 图片内容 */
.content {
  display: flex;
  justify-content: space-between;
  background-color: rgba(0,0,0,0.1);
  height: 720px;
  align-items: center;
  margin-bottom: 30px;
}

.content .left {
  width: 240px;
  height: 620px;
  /* background-color: #00BE9A; */
  /* background-color: pink; */
  
}

.content .right {
  width: 960px;
  height: 620px;
  /* background-color: pink; */
}

.content .right ul {
  display: flex;
  flex-wrap: wrap;
  /* background-color: rgba(0,0,0,0.1); */
}

.content .right li {
  position: relative;
  padding: 10px 21px 0;
  width: 235px;
  height: 305px;
  border: 2px solid #fff;
  background-color: #fff;
  margin-right: 5px;
  margin-bottom: 5px;
}

.content .right li .txt{
  height: 80px;
}

.content .right li .info {
  
}
.content .right li .info h4{
  font-weight: bold;
  font-size: 16px;
  text-align: center;
  margin-bottom: 5px;
}
.content .right li .info p{
  /* font-style: 12px; */
  font-size: 12px;
  text-align: center;
  margin-bottom: 5px;
  color: rgba(0,0,0,0.42);
}
.content .right li .info .price{
  color: coral;
}

/* 底部 */
.footer {
  height: 300px;
  /* background-color: #F5F5F5; */
  margin-bottom: 40px;
}

/* 帮助中心 */
.help {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 60px;
  height: 300px;
  /* background-color: pink; */
}

/* left */
.help .left {
  display: flex;
  /* background-color: #00BE9A; */
border-right: 1px solid rgba(0,0,0,0.1);
}

.help .left dl {
  margin-right: 84px;
  
}

.help .left dl:last-child {
  margin-right: 124px;
}

.help .left dt {
  margin-bottom: 30px;
  font-size: 18px;
  font-weight: bold;
}

.help .left dd {
  margin-bottom: 10px;
}

.help .left a {
  color: #969696;
}

.help .left .iconfont {
  color: #5EB69C;
}
.help .right h2{
color: orange;
}
.help .right p{
  text-align: center;
  font-size: 14px;
}
.bottom{
  display: flex;
  margin-bottom: 30px;
}
.bottom .right ul{
  display: flex;
}
.bottom .right ul li a{
  font-size: 14px;
}
.bottom .right p{
  font-size: 12px;
}
.bottom_title h3{
  color: rgba(0,0,0,0.2);
  text-align: center;
  font-weight: 500;
  margin-bottom: 10px;
}